Heat up a claypot on high heat and add the dark sesame oil. Add garlic and ginger and stir-fry until aromatic. Add in chicken and do a few quick stirs. Add soy sauce, sweet soy sauce, Shaoxing wine and continue to stir-fry the chicken. Cover the chicken and lower the heat and simmer for 5 minutes. Add basil leaves and stir well with the chicken, dish out and serve immediately.